public static void bubbleSort(int[] a,int n)
{
	for(int i =0;i<n-1;i++)
	{
		for(int j = i+1;j<n;j++)
		{
			if(a[i] > a[j])
			{
				int tmp = a[i];
				a[i] = a[j];
				a[j] = tmp;
			}

		}

	}
	return ;
}
